Bit9 has launched a tool to assess the security risk of every executable file (dll, installer, script and other programs) on a PC running Windows XP or later versions.

Named the Bit9 Trust Assessment Tool (TAT), the company said that it scans files with potentially executable code and sends the inventory of files to its Bit9 cloud for analysis.

The files are then evaluated for age, prevalence, publisher, source, anti-virus scan results and other key indicators, and a trust rating is given. Bit9 then anonymously aggregates the results and provides the user with a report of the trust rating of their PC and areas of risk.

It generates reports on trust levels from the various file categories to provide an overall trust assessment rating, as well as if any files have known vulnerabilities or are recognised as malware.

Also, files that have not yet been seen across the Bit9 Trusted Community are accounted for, as well as files that have been blocked by a number of enterprise Bit9 administrators throughout the Bit9 Trusted Community.

Brian Hazzard, vice president of product management for Bit9, said: “The first step in securing an enterprise endpoint is knowing what's running on it. We developed this powerful Threat Assessment Tool so users can see if their machine contains untrustworthy software that exposes them to potentially devastating cyber threats.

“Unlike typical virus scans that only look for known malware and miss many of today's advanced threats, the Bit9 TAT performs a comprehensive analysis of all software on a PC and provides an overall trust rating.”